Thomas Knutson

Born : 1950 Cat. M75 Ultrarunner since 1987

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details

Countries visited ?

United States

35,3%

Rank quotient ?This runner's calculation uses 69 eligible race(s): Σ(rank − 1) = 2 327; Σ finishers = 6 585. 2 327 / 6 585 × 100 = 35.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed69

Km — ultra races7 654 km

> 100 km27

> 160 km27

Longest race160,9 km

12th Hardrock Hundred Endurance Run — 9/7/2005

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road2,4%

Trail97,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 32

🏅 Top 3 M2

Longest winning streak0

Current streak0

Records

50 km4h57'06 100 km10h15'43 50 mi8h08'00 100 mi21h35'33

HISTORY

69 race(s)

Date		Race	Perf.	Rk
2006
16.06	50mi	15th Bighorn Mountain Wild & Scenic 50mi Trail Run	12:51:42 h	41
27.05	50km	4th Superior Spring 50 km Trail Race	6:44:28 h	34
29.04	50mi	17th Zane Grey Highline Trail 50 Mile	13:57:16 h	67
2005
09.07	100mi	12th Hardrock Hundred Endurance Run	46:55:10 h	59
17.06	50mi	14th Bighorn Mountain Wild & Scenic 50mi Trail Run	13:19:52 h	39
23.04	50mi	16th Zane Grey Highline Trail 50 Mile	14:11:40 h	60
2004
10.07	100mi	11th Hardrock Hundred Endurance Run	43:10:45 h	47
18.06	50mi	13th Bighorn Mountain Wild & Scenic 50mi Trail Run	11:43:48 h	29
24.04	50mi	15th Zane Grey Highline Trail 50 Mile	13:03:33 h	41
06.03	50mi	14th Old Pueblo 50 Mile Endurance Run	11:32:24 h	37
2003
20.06	50mi	12th Bighorn Mountain Wild & Scenic 50mi Trail Run	11:39:52 h	24
26.04	50mi	14th Zane Grey Highline Trail 50 Mile	12:57:40 h	70
22.02	40mi	1st El Paso Franklin Mountains 40M	8:41:41 h	5
2002
07.09	100mi	23rd Wasatch Front 100 Mile	31:19:18 h	54
17.08	100mi	20th Leadville Trail 100 Mile	26:52:19 h	72
23.06	50mi	11th Bighorn Mountain Wild & Scenic 50mi Trail Run	11:39:07 h	19
27.04	50mi	13th Zane Grey Highline Trail 50 Mile	12:19:00 h	18
16.03	51mi	6th Kentucky Ultra Trail Sojourn 50 Miles	9:59:52 h	11
2001
15.12	100mi	1st San Diego 100 Mile Endurance Run	25:40:00 h	3 🥉
13.07	100mi	9th Hardrock Hundred Endurance Run	39:56:28 h	27
16.06	50km	10th Bighorn Mountain Wild & Scenic 50km Trail Run	6:34:40 h	34
02.06	50mi	5th Snow Peaks 50 Mile Trail Run	11:45:34 h	57
12.05	50mi	7th Lost Boys 50 Mile Trail Run	10:41:23 h	18
28.04	50mi	12th Zane Grey Highline Trail 50 Mile	12:25:13 h	25
06.01	50mi	4th Phoenix National Trail 50 Mile Endurance Run	10:54:59 h	30
2000
30.09	100mi	15th Angeles Crest 100 Mile	27:33:00 h	42
03.06	52mi	1st Shafer Butte	10:21:00 h	4
13.05	50mi	17th Quicksilver 50 Mile Endurance Run	10:15:19 h	16
29.04	50mi	11th Zane Grey Highline Trail 50 Mile	12:29:45 h	16
1999
25.09	100mi	14th Angeles Crest 100 Mile	27:47:43 h	27
11.09	100mi	20th Wasatch Front 100 Mile	29:14:00 h	35
21.08	100mi	17th Leadville Trail 100 Mile	26:51:47 h	72
24.07	50mi	18th Minnesota Voyageur Trail 50 Mile Ultra	11:33:46 h	40
17.07	100km	Elkhorn Mountain Endurance Run 100 km	13:39:35 h	32
26.06	100mi	26th Western States 100 Mile Endurance Run	26:47:29 h	102
05.06	50mi	3rd Snow Peaks 50 Mile Trail Run	13:39:58 h	79
08.05	100mi	5th Massanutten Mountain Trails 100 Mile	28:46:50 h	21
24.04	50mi	10th Zane Grey Highline Trail 50 Mile	12:47:30 h	17
1998
12.09	100mi	19th Wasatch Front 100 Mile	28:25:00 h	48
22.08	100mi	16th Leadville Trail 100 Mile	26:38:55 h	70
18.07	100mi	10th Vermont 100 Mile Endurance Race	21:35:33 h	41
27.06	100mi	25th Western States 100 Mile Endurance Run	26:24:14 h	88
16.05	50mi	6th Lost Boys 50 Mile Trail Run	10:16:09 h	23
1997
01.11	50mi	15th Mountain Masochist 50 Mile Trail Run	9:49:27 h	39
26.07	47.6mi	5th White River 50 Mile Trail Run	9:38:08 h	20
10.05	50mi	14th Quicksilver 50 Mile Endurance Run	8:55:37 h	11
1996
21.09	100mi	6th Superior Fall Trail Races 100 Mile	25:22:09 h	6
27.07	47.6mi	4th White River 50 Mile Trail Run	9:59:55 h	24
07.06	100mi	1st Kettle Moraine 100 Mile Endurance Run	22:38:35 h	18
1995
08.09	100mi	16th Wasatch Front 100 Mile	26:35:17 h	15
21.08	100mi	13th Leadville Trail 100 Mile	24:43:10 h	21
24.06	100mi	22nd Western States 100 Mile Endurance Run	24:59:09 h	43
15.04	50mi	4th Leona Divide 50 Mile Run	8:31:04 h	30
11.03	50km	6th Way Too Cool 50K Endurance Run	4:57:06 h	52
1994
20.08	100mi	12th Leadville Trail 100 Mile	24:49:37 h	39
30.07	50mi	13th Minnesota Voyageur Trail 50 Mile Ultra	9:46:09 h	20
07.05	50mi	11th Quicksilver 50 Mile Endurance Run	9:09:41 h	12
1993
08.05	50mi	10th Quicksilver 50 Mile Endurance Run	8:54:57 h	23
06.03	50mi	6th Old Pueblo 50 Mile Endurance Run	8:08:00 h	3 🥉
06.02	50mi	15th Pacific Crest Trail Fifty	9:06:50 h	9
1992
22.08	100mi	10th Leadville Trail 100 Mile	24:10:00 h	24
10.07	100mi	1st Hardrock Hundred Endurance Run	42:26:00 h	9
1991
07.09	100mi	1st Superior Fall Trail Races 100 Mile	26:24:59 h	7
29.06	100mi	18th Western States 100 Mile Endurance Run	21:41:09 h	41
16.02	50mi	13th Pacific Crest Trail Fifty	8:36:48 h	19
1990
27.10	100km	IAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race)	10:15:43 h	81
23.06	100mi	17th Western States 100 Mile Endurance Run	26:10:30 h	93
1988
14.02	50mi	10th Pacific Crest Trail Fifty	9:15:02 h	37
1987
02.05	50mi	MDRA Ultra Distance Classic 50 Mile	9:03:11 h	6

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	9/7/2005	12th Hardrock Hundred Endurance Run	160,93	×2
✓ 2	10/7/2004	11th Hardrock Hundred Endurance Run	160,93	×2
✓ 3	7/9/2002	23rd Wasatch Front 100 Mile	160,93	×2
✓ 4	17/8/2002	20th Leadville Trail 100 Mile	160,93	×2
✓ 5	15/12/2001	1st San Diego 100 Mile Endurance Run	160,93	×2
✓ 6	13/7/2001	9th Hardrock Hundred Endurance Run	160,93	×2
✓ 7	30/9/2000	15th Angeles Crest 100 Mile	160,93	×2
✓ 8	25/9/1999	14th Angeles Crest 100 Mile	160,93	×2
✓ 9	11/9/1999	20th Wasatch Front 100 Mile	160,93	×2
✓ 10	21/8/1999	17th Leadville Trail 100 Mile	160,93	×2
✓ 11	26/6/1999	26th Western States 100 Mile Endurance Run	160,93	×2
✓ 12	8/5/1999	5th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 13	12/9/1998	19th Wasatch Front 100 Mile	160,93	×2
✓ 14	22/8/1998	16th Leadville Trail 100 Mile	160,93	×2
✓ 15	18/7/1998	10th Vermont 100 Mile Endurance Race	160,93	×2
✓ 16	27/6/1998	25th Western States 100 Mile Endurance Run	160,93	×2
✓ 17	21/9/1996	6th Superior Fall Trail Races 100 Mile	160,93	×2
✓ 18	7/6/1996	1st Kettle Moraine 100 Mile Endurance Run	160,93	×2
✓ 19	8/9/1995	16th Wasatch Front 100 Mile	160,93	×2
✓ 20	21/8/1995	13th Leadville Trail 100 Mile	160,93	×2
✓ 21	24/6/1995	22nd Western States 100 Mile Endurance Run	160,93	×2
✓ 22	20/8/1994	12th Leadville Trail 100 Mile	160,93	×2
✓ 23	22/8/1992	10th Leadville Trail 100 Mile	160,93	×2
✓ 24	10/7/1992	1st Hardrock Hundred Endurance Run	160,93	×2
✓ 25	7/9/1991	1st Superior Fall Trail Races 100 Mile	160,93	×2
✓ 26	29/6/1991	18th Western States 100 Mile Endurance Run	160,93	×2
✓ 27	23/6/1990	17th Western States 100 Mile Endurance Run	160,93	×2
✓ 28	17/7/1999	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 29	27/10/1990	IAU 100km WC Duluth (8th Edmund Fitzgerald 100K Road Race)	100,00	×1
✓ 30	3/6/2000	1st Shafer Butte	83,69	×1
✓ 31	16/3/2002	6th Kentucky Ultra Trail Sojourn 50 Miles	82,08	×1
✓ 32	16/6/2006	15th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 33	29/4/2006	17th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 34	17/6/2005	14th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 35	23/4/2005	16th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 36	18/6/2004	13th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 37	24/4/2004	15th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 38	6/3/2004	14th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 39	20/6/2003	12th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 40	26/4/2003	14th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 41	23/6/2002	11th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 42	27/4/2002	13th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 43	2/6/2001	5th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 44	12/5/2001	7th Lost Boys 50 Mile Trail Run	80,47	×1
✓ 45	28/4/2001	12th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 46	6/1/2001	4th Phoenix National Trail 50 Mile Endurance Run	80,47	×1
✓ 47	13/5/2000	17th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 48	29/4/2000	11th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 49	24/7/1999	18th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 50	5/6/1999	3rd Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 51	24/4/1999	10th Zane Grey Highline Trail 50 Mile	80,47	×1
✓ 52	16/5/1998	6th Lost Boys 50 Mile Trail Run	80,47	×1
✓ 53	1/11/1997	15th Mountain Masochist 50 Mile Trail Run	80,47	×1
✓ 54	10/5/1997	14th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 55	15/4/1995	4th Leona Divide 50 Mile Run	80,47	×1
✓ 56	30/7/1994	13th Minnesota Voyageur Trail 50 Mile Ultra	80,47	×1
✓ 57	7/5/1994	11th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 58	8/5/1993	10th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 59	6/3/1993	6th Old Pueblo 50 Mile Endurance Run	80,47	×1
✓ 60	6/2/1993	15th Pacific Crest Trail Fifty	80,47	×1
✓ 61	16/2/1991	13th Pacific Crest Trail Fifty	80,47	×1
✓ 62	14/2/1988	10th Pacific Crest Trail Fifty	80,47	×1
✓ 63	2/5/1987	MDRA Ultra Distance Classic 50 Mile	80,47	×1
✓ 64	26/7/1997	5th White River 50 Mile Trail Run	76,60	—
✓ 65	27/7/1996	4th White River 50 Mile Trail Run	76,60	—
66	22/2/2003	1st El Paso Franklin Mountains 40M	64,37	—
67	27/5/2006	4th Superior Spring 50 km Trail Race	50,00	—
68	16/6/2001	10th Bighorn Mountain Wild & Scenic 50km Trail Run	50,00	—
69	11/3/1995	6th Way Too Cool 50K Endurance Run	50,00	—